What does 2 significant figures mean?

What does 2 significant figures mean?? How many significant figures does 23.00 have? two significant figures How many significant figures is 123? 0.00030, 123, 0.4005, 2.04, 2.004, 123 and 2.04 each has 3 significant figures but 0.00030 is the same as 3.0 x 10-4, so it has only 2 significant figures. How many significant figures … Continue reading What does 2 significant figures mean?